{"id":27265,"date":"2020-08-05T06:40:00","date_gmt":"2020-08-05T03:40:00","guid":{"rendered":"https:\/\/wolfgroupnew.rktv.ee\/et\/blog\/2020\/08\/05\/polyurethane-foam-on-the-front-line-of-construction\/"},"modified":"2023-07-04T16:04:34","modified_gmt":"2023-07-04T13:04:34","slug":"poluuretaanvaht-ehituse-eesliinil","status":"publish","type":"post","link":"https:\/\/wolfgroup.rktv.ee\/et\/2020\/08\/05\/poluuretaanvaht-ehituse-eesliinil\/","title":{"rendered":"Pol\u00fcuretaanvaht ehituse eesliinil"},"content":{"rendered":"\n<p><strong>Kaasaegsete hoonete soojustus- ja tihendust\u00f6\u00f6del ei saa l\u00e4bi ilma <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#pu-vahud\" target=\"_blank\" rel=\"noreferrer noopener\">pol\u00fcuretaanvahuta<\/a>. Kuigi balloonivaht on turul olnud juba p\u00e4ris pikalt, k\u00fcsitakse tootjatelt alatasa n\u00f5ustamist, kuidas vaht toimib ning mille alusel teha \u00f5ige valik kasutuskohtade l\u00f5ikes.<\/strong><br><br>S\u00fcnteetiline pol\u00fcmeer pol\u00fcuretaan avastati 1930ndate teises pooles Saksamaal ning juba k\u00fcmmekond aastat hiljem j\u00f5udis USA-s m\u00fc\u00fcgile soojustamiseks m\u00f5eldud j\u00e4ik vahtmaterjal. Kuna tegemist on kemikaalidele, ilmastikutingimustele ning mehaanilisele kulumisele vastupidava pol\u00fcmeeriga, mille valmistamismeetod on k\u00fcllalt lihtne ning rakendusalasid ohtralt, pole por\u00fcuretaanile ehituses paremat alternatiivi leitud. Kvaliteetset pol\u00fcuretaanvahtu iseloomustab peen poorsus, \u00fchtlane struktuur, hea vuugip\u00fcsivus, korralik nakkuvus aluspinnaga ning kiire tardumine.<br><br><strong>\u00dchekomponentsed pol\u00fcuretaanvahud jagunevad lihtsustatult tavalisteks ja eriotstarbelisteks. <\/strong>Erivahud on <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#liimvahud\" target=\"_blank\" rel=\"noreferrer noopener\">liim<\/a>&#8211; ja <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#tuletokkevahud\" target=\"_blank\" rel=\"noreferrer noopener\">tulet\u00f5kkevahud<\/a>, ent ka <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#elastsed-vahud\" target=\"_blank\" rel=\"noreferrer noopener\">elastsed vahud<\/a>. Tavavahud on <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#aastaringsed-vahud\" target=\"_blank\" rel=\"noreferrer noopener\">aastaringseks<\/a> v\u00f5i <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#talvised-vahud\" target=\"_blank\" rel=\"noreferrer noopener\">talviseks kasutuseks<\/a> ning nende seast v\u00f5ib omakorda valida <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#suure-ja-ulisuure-valjatulekuga-megavahud\" target=\"_blank\" rel=\"noreferrer noopener\">suure v\u00e4ljatulekuga<\/a> v\u00f5i <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#vahepaisuvad-vahud\" target=\"_blank\" rel=\"noreferrer noopener\">madala j\u00e4relpaisumisega vahtu<\/a>, <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#taitevahud\" target=\"_blank\" rel=\"noreferrer noopener\">t\u00e4itevahtu<\/a>, pihustatava v\u00f5i <a href=\"https:\/\/wolfgroup.rktv.ee\/et\/?page_id=28552#madala-isotsuanaadisisaldusega-ning-isotsuanaadivabad-vahud\" target=\"_blank\" rel=\"noreferrer noopener\">madala isots\u00fcanaadi sisaldusega vahtu<\/a> jne.<br><br>\u00dcldreegel on, et k\u00f5rrevahtudel on suur ning p\u00fcstolivahtudel v\u00e4ike j\u00e4relpaisumine. Erisus tuleb f\u00fc\u00fcsikast- kui k\u00f5rrevahul vabaneb r\u00f5hk vahu v\u00e4ljumisel balloonist, siis p\u00fcstolivahu puhul toimub see p\u00fcstoli otsas, mis tagab \u00fchtlase koheva struktuuri, minimaalse j\u00e4relpaisumise ning maksimaalse v\u00e4ljatuleku. Nende kahe vahele j\u00e4\u00e4vad peenikese aplikaatoriga vahud, mille puhul surutakse vaht p\u00e4\u00e4stikus kokku. V\u00f5rreldes k\u00f5rrevahuga on v\u00e4ljuvus parem ning j\u00e4relpaisumine v\u00e4iksem. Toote- ja keemiaarenduse tulemusena on v\u00e4lja t\u00f6\u00f6tatud mitmeid erilise koostisega vahtusid, mis on timmitud selliselt, et kasutus konkreetsel t\u00f6\u00f6l\u00f5igul oleks v\u00f5imalikult mugav. N\u00e4iteks elastne k\u00f5rrevaht, mille paisumine on tavap\u00e4rasest v\u00e4iksem v\u00f5i pihustatav spreiotsikuga p\u00fcstolivaht, mis paisub 100%. Kvaliteetse liimvahu tunnus on alati madal paisumissurve.<br><br><strong>Pol\u00fcuretaanvahud on eelk\u00f5ige m\u00f5eldud soojustamiseks, tihendamiseks ja t\u00e4itmiseks. <\/strong>Vahud ei suuda t\u00e4ita kandvat funktsiooni ning pole kohased fikseerimiseks. Riigiti oleneb v\u00e4ga palju k\u00fcll ehituspraktikast, kuid mehaanilised kinnitused on pea alati rangelt soovituslikud, ise\u00e4ranis aknapaigaldusel. Taaskord on erandiks liimvahud, mis on sobilikud ka fikseerimiseks. Liimvahtude puhul on t\u00f6\u00f6tatud nende heade liimimisomaduste nimel. Kuigi ka tavavahtudel on hea nakkuvus, ei peaks vahtu liimina kasutama. Liimimisele on spetsiifilised n\u00f5uded ning vastutusrikastes kasutuskohtades liimi asemel vahu kasutamine v\u00f5ib alt vedada.<br><br><strong>Pol\u00fcuretaanvaht tardub \u00f5huniiskuse toimel<\/strong> ning eelnevalt niisutatud pind tagab vahu parema struktuuri. Niisutamine on soovitatav suvel ning poorsetel ja kuivadel pindadel. Talvevahtude puhul (kuni -18\u00b0C) v\u00f5ib \u00f5huniiskus madalam olla, sellega on miinustemperatuuridel kasutatavate vahtude koostises juba arvestatud. K\u00fcll aga tuleb veenduda, et aluspinnad on vabad j\u00e4\u00e4st ja h\u00e4rmatisest.<br><br>Niisutada tuleb vuuki v\u00f5i pinda, kuhu toode paigaldatakse, mitte vahtu ennast. Vesi l\u00f5hub vahu struktuuri. Parim on kasutada pihustit, kust vedelik v\u00e4ljub \u00f5rna uduna. \u00a0Veepiiskasid ei tohi vuugi pinnale j\u00e4\u00e4da, vajadusel tuleb lasta neil enne vahu kasutamist kuivada. Kui aplikeerida vahtu kahes kihis, on vajalik niisutada ka vahu esimest kihti. Eelnevat arvestades ei saa po\u00fcuretaanvahtu lasta kinnisesse ruumi v\u00f5i avausse, sest seal puudub vahu tardumiseks vajalik niiskus. \u00a0<br><br><strong>Vahuballooni peab enne kasutamist 20 korda loksutama<\/strong>, et koostisained seguneksid ja vahu struktuur oleks hea \u00a0ning seej\u00e4rel keerata balloon, p\u00f5hi allpool, p\u00fcstolile. Kui keerata loksutamata balloon kohe p\u00fcstolile, tuleb mingi osa gaasist v\u00e4lja. Gaas m\u00f5jutab toote saagikust ning osa vahust v\u00f5ib j\u00e4\u00e4da balloonist k\u00e4tte saamata.<br><br>Gaas ongi pol\u00fcuretaanvahu puhul k\u00f5ige (plahvatus)ohtlikum, sestap tuleb \u00a0vahuballoone s\u00e4ilitada ja transportida p\u00fcstises asendis. Kuna balloon on surve all ja tuleohtlik, siis tuleb vahtu kaitsta \u00fclekuumenemise eest ja hoida eemal s\u00fcttimisallikatest. \u00a0Aerosooli ohutust j\u00e4rgides ei tohi toodet j\u00e4tta ehitusplatsile v\u00f5i autosalongi p\u00e4ikese k\u00e4tte. Hoiustamiseks sobiv temperatuur on +5\u00b0C kuni +30\u00b0C. Kindlasti peab balloon olema terve ning m\u00f5lkideta. Peale kasutamist tuleb balloonid t\u00fchjaks lasta ning viia j\u00e4\u00e4tmejaama.<br><br><strong>Pol\u00fcuretaanvahu paigaldamine ei ole ohtlik, kui kasutada isikukaitsevahendeid, nt kindaid ja kaitseprille ning ventileerida ruumi. <\/strong>Paigaldatud ja tardunud vaht organismile ohlikke \u00fchendeid ei erita.<br><br>UV-kiirguse eest kaitstud pol\u00fcuretaanvahu eluiga on v\u00e4ga pikk. See ei m\u00e4dane ega hallita, ei kollapseeru ega muutu rabedaks, talub suuri temperatuuri ja niiskuse k\u00f5ikumisi.<br><br><strong>Oluline teada:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Vahu valikul arvesta konkreetse t\u00f6\u00f6 ja toote paigaldustemperatuuriga. Peamised &nbsp;pol\u00fcuretaanvahtude kasutusvaldkonnad on soojustamine, t\u00fchimike t\u00e4itmine ja tihendamine, uste ja akende paigaldamine. Erit\u00f6\u00f6de jaoks on spetsiifilised vahud, nt liimvaht v\u00f5i tulet\u00f5kkevaht. Mida \u00f5rnemaid materjale antud kasutuskohas on kasutatud, seda t\u00e4htsam on j\u00e4lgida toote paisumissurvet. <\/li><li>Traditsiooniliselt lastakse vahtu suunaga alt \u00fclesse, sik-saki kujuliselt. Kui kitsas vuugis pole vahupaigalduse suund nii oluline, siis laiemates vuukides tuleb hakata vuuki n-\u00f6 \u00fclesse ehitama. Lastes vahtu suunaga \u00fclevalt alla, v\u00f5ib see lihtsalt alla kukkuda. Liimvahu puhul v\u00f5ib vahtu lasta sirgelt ning pihustatava vahu puhul pole liikumissuund \u00fcldse eriti oluline. <\/li><li>Vuuk tuleb t\u00e4ita p\u00fcstolivahuga 2\/3 ulatuses ja k\u00f5rrevahuga poole ulatuses, et vahule j\u00e4\u00e4ks piisavalt paisumisruumi. <\/li><li>Pol\u00fcuretaanvaht on hea soojustusmaterjal, mis aitab s\u00e4\u00e4sta energiat. Aknapaigaldusel aitab vahuga tihendamine v\u00e4hendada \u00f5hulekkeid ja soojakadusid ning hoida kokku k\u00fcttekuludelt.<\/li><\/ul>\n\n\n\n<p>Tekst: Maria \u0160eveljova<\/p>\n","protected":false},"excerpt":{"rendered":"Kaasaegsete hoonete soojustus- ja tihendust\u00f6\u00f6del ei saa l\u00e4bi ilma pol\u00fcuretaanvahuta. Kuigi balloonivaht on turul olnud juba p\u00e4ris pikalt, k\u00fcsitakse tootjatelt alatasa n\u00f5ustamist, kuidas vaht toimib ning mille alusel teha \u00f5ige valik kasutuskohtade l\u00f5ikes. S\u00fcnteetiline pol\u00fcmeer pol\u00fcuretaan avastati 1930ndate teises pooles Saksamaal ning juba k\u00fcmmekond aastat hiljem j\u00f5udis USA-s m\u00fc\u00fcgile soojustamiseks m\u00f5eldud j\u00e4ik vahtmaterjal. Kuna tegemist [&hellip;]","protected":false},"author":1,"featured_media":27266,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-27265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest-news-2"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pol\u00fcuretaanvaht ehituse eesliinil - Wolf Group Estonia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wolfgroup.rktv.ee\/et\/2020\/08\/05\/poluuretaanvaht-ehituse-eesliinil\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pol\u00fcuretaanvaht ehituse eesliinil - Wolf Group Estonia\" \/>\n<meta property=\"og:description\" content=\"Kaasaegsete hoonete soojustus- ja tihendust\u00f6\u00f6del ei saa l\u00e4bi ilma pol\u00fcuretaanvahuta. Kuigi balloonivaht on turul olnud juba p\u00e4ris pikalt, k\u00fcsitakse tootjatelt alatasa n\u00f5ustamist, kuidas vaht toimib ning mille alusel teha \u00f5ige valik kasutuskohtade l\u00f5ikes. S\u00fcnteetiline pol\u00fcmeer pol\u00fcuretaan avastati 1930ndate teises pooles Saksamaal ning juba k\u00fcmmekond aastat hiljem j\u00f5udis USA-s m\u00fc\u00fcgile soojustamiseks m\u00f5eldud j\u00e4ik vahtmaterjal. Kuna tegemist [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wolfgroup.rktv.ee\/et\/2020\/08\/05\/poluuretaanvaht-ehituse-eesliinil\/\" \/>\n<meta property=\"og:site_name\" content=\"Wolf Group Estonia\" \/>\n<meta property=\"article:published_time\" content=\"2020-08-05T03:40:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-04T13:04:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/wolfgroup.rktv.ee\/et\/wp-content\/uploads\/sites\/2\/2022\/05\/windowdoorvaht-scaled-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1787\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Reaktiiv\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/2020\\\/08\\\/05\\\/poluuretaanvaht-ehituse-eesliinil\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/2020\\\/08\\\/05\\\/poluuretaanvaht-ehituse-eesliinil\\\/\"},\"author\":{\"name\":\"Reaktiiv\",\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/#\\\/schema\\\/person\\\/18b53d15978049a6d37ba1fbec14900d\"},\"headline\":\"Pol\u00fcuretaanvaht ehituse eesliinil\",\"datePublished\":\"2020-08-05T03:40:00+00:00\",\"dateModified\":\"2023-07-04T13:04:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/2020\\\/08\\\/05\\\/poluuretaanvaht-ehituse-eesliinil\\\/\"},\"wordCount\":850,\"publisher\":{\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/2020\\\/08\\\/05\\\/poluuretaanvaht-ehituse-eesliinil\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2022\\\/05\\\/windowdoorvaht-scaled-1.jpg\",\"articleSection\":[\"Latest news\"],\"inLanguage\":\"et\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/2020\\\/08\\\/05\\\/poluuretaanvaht-ehituse-eesliinil\\\/\",\"url\":\"https:\\\/\\\/wolfgroup.rktv.ee\\\/et\\\/2020\\\/08\\\/05\\\/poluuretaanvaht-ehituse-eesliinil\\\/\",\"name\":\"Pol\u00fcuretaanvaht ehituse eesliinil - 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Kuigi balloonivaht on turul olnud juba p\u00e4ris pikalt, k\u00fcsitakse tootjatelt alatasa n\u00f5ustamist, kuidas vaht toimib ning mille alusel teha \u00f5ige valik kasutuskohtade l\u00f5ikes. S\u00fcnteetiline pol\u00fcmeer pol\u00fcuretaan avastati 1930ndate teises pooles Saksamaal ning juba k\u00fcmmekond aastat hiljem j\u00f5udis USA-s m\u00fc\u00fcgile soojustamiseks m\u00f5eldud j\u00e4ik vahtmaterjal. 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